/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMBlueprint.h
Copies a given graph into a text buffer. Returns true if successful.
virtual bool ExportGraphToText ( [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * InEdGraph, [FString](API\Runtime\Core\Containers\FString) & OutText )